pump, with gas prices rising at a near record rate, the white house says it's considering tapping into america's strategic oil reserve. i'm russ mitchell. also tonight, battle for libya. rebel forces trying to push forward the capitol are encountering in-- intense attacks from qaddafi soldiers and have abandoned some territory. second sight, the state of the art device that's restoring vision to people blinded by retinal disease. and house recycling, the tear-down alternative that offers low income families a chance to own a home. -- home. captioning sponsored by cbs this is the "cbs evening news" with russ mitchell. >> mitchell: and good evening. if you have purchased gasoline in the past few days you know the story. the price has gone up. keeps going up, and shows no signs of stopping. since the turmoil in libya broke out in mid-february the price of crude oil has jumped nearly 20% to more than 104 a barrel. pushing up prices at the pump as well. today the white house said it may step in to help. sheryl attkisson in washington has the latest. >> it's the strongest suggestion yet that unrest in